Professional-grade aluminum foil repair tape for duct sealing and general repairs with aggressive adhesive, conformable design, and vapor barrier properties. 2 inches x 10 yards with UL 723 flame rating.
The 3M™ Foil Repair Tape 3311-10D is a premium conformable aluminum foil tape specifically designed for duct sealing and general repair applications. Featuring an aggressive silicone-treated adhesive, this tape effectively seals seams and joints for long-term durability and reliability. The soft aluminum foil backing conforms perfectly to irregular surfaces while providing a dependable vapor barrier that ensures the integrity of insulation systems. With dimensions of 2.0 inches by 10 yards (50.8 mm x 9.1 m), this professional-grade tape is ideal for HVAC contractors, maintenance professionals, and DIY enthusiasts.
This versatile repair tape combines flexibility with ease of application, making it perfect for working in tight spaces where standard rigid tapes cannot reach. The silicone-treated liner unwinds smoothly to minimize errors and waste, improving efficiency on every job. The UL 723 rating for flame and smoke characteristics provides added safety assurance for use in critical applications. The silver color and professional construction make it suitable for both visible and hidden applications where durability matters.
The 3M Foil Repair Tape 3311-10D represents decades of 3M innovation in adhesive technology, delivering consistent performance across residential, commercial, and industrial settings. Whether sealing HVAC ducts, repairing insulation, or performing general maintenance, this tape provides the reliable, long-lasting solution professionals trust.
Key Features
- Aggressive silicone-treated adhesive for strong, durable sealing of seams and joints
- Soft aluminum foil backing conforms to irregular surfaces for reliable coverage
- Acts as effective vapor barrier to maintain insulation system integrity
- Easy-to-unwind silicone-treated liner minimizes errors and tape waste
- UL 723 rated for flame and smoke characteristics for safety-critical applications
- Flexible design allows application in tight, hard-to-reach spaces
- Long-term durability for both residential and commercial use
- Professional-grade construction from trusted 3M brand
Technical Specifications
| Specification |
Value |
| Product Name | 3M Foil Repair Tape 3311-10D |
| Model Number | 3311-10D |
| 3M ID | 7100198304 |
| UPC Code | 00638060271995 |
| Brand | Scotch® |
| Width | 2.0 inches (50.8 mm) |
| Length | 10 yards (9.1 meters) |
| Color | Silver |
| Backing Material | Soft Aluminum Foil |
| Backing Thickness | 1.969 mil (0.05 mm) |
| Adhesive Type | Rubber-based Silicone-treated |
| Liner Type | Silicone-treated for easy unwinding |
| Safety Rating | UL 723 rated for flame and smoke characteristics |
| Primary Applications | Duct sealing, general repairs, insulation sealing |
| Performance Features | Vapor barrier, conformable to irregular surfaces, long-term durability |
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